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    SubjectRe: Direct access to hardware
    On Tue, 25 Jul 2000, Horst von Brand wrote:

    > James Sutherland <> said:
    > > On Sun, 23 Jul 2000, Horst von Brand wrote:
    > [...]
    > > > Yep. It should also carefully check that those damn ELF thingies being
    > > > thrown at the CPU better contain valid code!
    > > It does. How do you think the kernel works around CPU bugs - replicate
    > > nanites to rewire the CPU?
    > Please show me where Linux checks every byte of an executable before
    > running it to make sure it doesn't f00f or coma your CPU.

    Inside the CPU, in hardware. If you attempt to execute invalid code, Linux
    knows about it straight away.


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